How much harder would it be to build a moon-based telescope that didn't need any?
建立一个我们并不需要的在月球上的望远镜，你能想象这难度会大多少吗？
A method of simulation of space multi-target imaging on a space-based telescope is presented.
提出了一种天基光电望远镜对空间多目标成像的模拟方法。
These wobbles were picked up using a ground-based telescope at the European Southern Observatory's la Silla facility in Chile.
隶属于欧洲南半球天文台的智利拉西拉天文观测台的一台地基望远镜观测到了这种晃动。
The difficulty is the viewing geometry that puts any Trojan, from the perspective of an Earth-based telescope, in bright skies.
观测特洛伊小行星的难点在于，在通过地面望远镜观测时，几何角度总是使其位于明亮的天空中。
More observation is needed. The type of project the NRC recommends includes three candidates, all of them variations on a space-based telescope.
显然，需要进行更多的观察。对于实施这个计划，国家研究理事会推荐了三个候选研究组，都是由做太空望远镜工作转换过来的。
The NST will be the pathfinder for an even larger ground-based telescope, the Advanced Technology Solar Telescope (ATST), to be built over the next decade.
该望远镜将作为更大的路基望远镜—于下个十年内建成的先进技术太阳望远镜（简称ATST）—的先驱。
Myhrvold said that Mainzer argued that a ground-based telescope could not detect asteroids within Earth's orbit because they would be too close to the horizon.
迈尔·沃尔德说，迈因·策尔认为用地面望远镜无法探测地球轨道以内的小行星，因为它们离地平线太近了。
The influence of the relative position and the parameters of the telescope to the luminant characters of space target imaging in space-based telescope were analyzed.
文章分析了天基光电望远镜对空间目标成像时三者的位置关系及其变化对目标光度特征的影响，以及望远镜系统参数对空间目标成像光度特征的影响；
We'll begin with some of the greatest ground-based telescope systems in use today. Because they have to be able to see through the Earth's atmosphere, these telescopes are truly massive.
一开始会介绍几个今天还在使用的地面望远镜，这些望远镜体型巨大，因为他们必须能够穿透地球的大气层。
A lunar-based radio telescope would be able to detect long wavelengths that cannot be sensed on Earth because they are absorbed by the outermost layers of the planet's atmosphere.
射电望远镜安装在月球背面就可以探测到那些无法在地球表面被检测到的长波，因为它们都被地球大气层的最外层吸收了。
They're checking out the candidates with ground-based instruments as well as orbiting assets like the Hubble Space Telescope and the Spitzer Space Telescope.
他们正使用地面仪器以及绕轨道运行的仪器如哈勃太空望远镜和斯皮策太空望远镜检查这些候选恒星。
In 1990, the first space-based optical telescope, the Hubble space telescope, was launched, providing the deepest, most detailed visible-light view of the universe.
1990年，第一台天基光学望远镜——哈勃太空望远镜——成功发射，拍摄了最深的、最精细的宇宙可见光景象。
It is home to ESO's Very Large Telescope (VLT), the flagship facility for European ground-based astronomy.
这也是欧洲的旗舰级地面天文设备，欧洲南方天文台(eso)超大望远镜(VLT)所在之处。
The telescope will be based in either Australia or South Africa.
这些望远镜将设在澳洲或南非。
The last of NASA's Great Observatories, Spitzer is a space-based infrared telescope.
斯皮策红外太空望远镜是美国国家航空航天局最新的一个大型观测平台。
Announced on April 28, 2010, scientists using NASA's Infrared Telescope Facility have detected water-ice and carbon-based organic compounds on the surface of an asteroid.
根据2010年4月28日的宣布，科学家利用美国宇航局的红外望远镜设备已检测到小行星表面有水-冰和碳-基有机化合物。
In addition to the X-rays observed with Chandra, other data critical for this result came from NASA's Spitzer Space Telescope and the ground-based, infrared Two Micron All Sky Survey.
除了钱德拉望远镜观测到的X射线辐射之外，这项结果所需的其他关键数据来自NASA的斯必泽太空望远镜以及地面的2微米红外全天巡天。
Based on matrix optics, the relationship between maladjustment and expanding ratio of the laser beam expanding telescope has been analyzed in this paper.
本文利用矩阵光学的方法，分析了扩束望远镜的失调量与扩束比之间的关系。
A data acquisition system based on a video CCD used in the experiment and adjustment of the telescope is introduced, and some improvements on the system made by author are specially pointed out.
文中介绍了调试期间所用的基于视频CCD的数据采集系统，特别指出了作者对该系统所作的改进和完善之处。
It is based on images collected with the 1.5-m Danish telescope at ESO's la Silla Observatory.
它是由丹麦eso香格里拉大罗天文台1.5米口径的望远镜拍摄的。
Stray light analysis is one of crucial technologies to ensure the image quality of Lunar-based Optical Telescope (LOT).
杂散光分析是保证月基光学天文望远镜（LOT）成像质量的关键技术之一。
But settling the matter once and for all may require observations from both a new class of ground-based 30-metre telescopes and the orbiting James Webb Space telescope, due to launch in 2013.
不过，解决这个问题一劳永逸可能需要从一个地面30米的望远镜观测的新的阶级和詹姆斯·韦伯太空望远镜的轨道，由于在2013年发射。
CCD drift-scan technique can improve the survey efficiency of ground-based optoelectronic telescope system and the data precision of space targets.
采用CCD漂移扫描技术可以显著提高地基光电望远镜系统的观测效率，改善空间目标的数据质量，但目前不适合对快速移动目标的观测。
The researchers used some of most powerful ground-based and space-based observatories - the Hubble space Telescope, the Chandra X-ray Observatory and the Gemini and Keck Telescopes.
研究人员使用了最强大的陆基和空间基地望远镜，有哈勃太空望远镜，钱德拉X射线望远镜和双子座和凯克望远镜。
And thanks to its vantage point in space, the craft's telescope can obtain much clearer images than Earth-based instruments.
由于它在宇宙空间中的优势位置，与位于地表的设备相比，太空中的望远镜可以获得更清晰的图片。
This stunning cosmic portrait is a composite of space and ground-based image data from the Hubble Legacy Archive and the 8.2 meter Subaru Telescope at the summit of Mauna Kea, Hawaii.
这幅精彩的宇宙图片是由哈勃历史资料和地面照片合成的，所用照片由夏威夷岛莫纳·克亚山顶的8.2米口径“昴星望远镜”拍摄。
His notations are evident on the historic plate image inset at the lower right, shown in context with ground based and Hubble Space Telescope images of the region made nearly 90 years later.
他在历史底片上所作出的标记非常明显，就在下图右下角的小插图中，该图已把当时的地面照片与90年后哈勃太空望远镜所拍摄的该天区照片合成在一起。
His notations are evident on the historic plate image inset at the lower right, shown in context with ground based and Hubble Space Telescope images of the region made nearly 90 years later.
他在历史底片上所作出的标记非常明显，就在下图右下角的小插图中，该图已把当时的地面照片与90年后哈勃太空望远镜所拍摄的该天区照片合成在一起。
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